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Finding the Fourth Proportional to 146,035.65, 201,529.22 and 78,967.65

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Solution

The fourth proportional to 146,035.65, 201,529.22 and 78,967.65 is: 108,975.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,035.65 : 201,529.22 = 78,967.65 : x
  2. Step 2: Convert to fraction form
    146,035.65/201,529.22 = 78,967.65/x
  3. Step 3: Cross multiply
    146,035.65x = 201,529.22 × 78,967.65
  4. Step 4: Simplify right side
    146,035.65x = 15,914,288,514.89
  5. Step 5: Solve for x
    x = 15,914,288,514.89/146,035.65
  6. Step 6: Final answer
    x = 108,975.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.